Name a non-reducing sugar and outline a test which can identify its presence. (6)

Sucrose (1)Rule out reducing sugars - heat in a water bath. Add Benedict's solution. Should remain blue. (1)Add dilute HCl to a new sample and heat in a water bath (1)Neutralise with NaHCO3 (1)Add Benedict's reagent (1)If positive, a brick red precipitate is formed (1)

AR
Answered by Annie R. Biology tutor

3133 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Please explain the pathway of blood in the mammalian heart.


What is the Hardy-Weinberg equilibrium and when is it used? With an example


Why does the enzyme Maltase catalyse only the hydrolysis of maltose.


What's the difference between allopatric and sympatric speciation? What are some evolutionary implications of this?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences